3 ms·
Not necessarily, because it could give a hint. It is possible to get from various higher dimensional gauge groups like SO(10) to almost the standard model. But
by orbifold 7y ago
Not necessarily, because it could give a hint. It is possible to get from various higher dimensional gauge groups like SO(10) to almost the standard model. But the left over particles often couple in unfavourable ways and lead to proton decay for example.